/Engine/Source/Runtime/SignalProcessing/Public/DSP/VariablePoleFilter.h
void Init ( [EFilterOrder](API\Runtime\SignalProcessing\DSP\Audio__EFilterOrder) InOrder, const float InSampleRate, const int32 InNumChannels, const float InFrequency, const [EBiquadFilter::Type](API\Runtime\SignalProcessing\DSP\Audio__EBiquadFilter__Type) InType, const float InBandwidth, const float InGain )